/*
 * Copyright 2018 Expedia Group
 *
 *         Licensed under the Apache License, Version 2.0 (the "License");
 *         you may not use this file except in compliance with the License.
 *         You may obtain a copy of the License at
 *
 *             http://www.apache.org/licenses/LICENSE-2.0
 *
 *         Unless required by applicable law or agreed to in writing, software
 *         distributed under the License is distributed on an "AS IS" BASIS,
 *         WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *         See the License for the specific language governing permissions and
 *         limitations under the License.
 */

function authChecker(errorHandler) {
    return (req, res, next) => {
        if (req.user) {
            next();
        } else {
            errorHandler(res, req.originalUrl);
        }
    };
}

module.exports = {
    forPage: authChecker((res, redirectUrl) => { res.redirect(`/login?redirectUrl=${redirectUrl}`); }),
    forApi: authChecker((res) => { res.status(401).send('UNAUTHORIZED'); })
};
